{"id":1288,"date":"2019-05-02T17:49:49","date_gmt":"2019-05-02T10:49:49","guid":{"rendered":"http:\/\/demo.hoinongdanhp.org.vn\/?p=1288"},"modified":"2019-05-02T17:49:49","modified_gmt":"2019-05-02T10:49:49","slug":"cua-dong-mon-ngon-de-nuoi-hieu-qua-cao","status":"publish","type":"post","link":"https:\/\/hoinongdanhp.org.vn\/index.php\/2019\/05\/02\/cua-dong-mon-ngon-de-nuoi-hieu-qua-cao\/","title":{"rendered":"Cua \u0111\u1ed3ng m\u00f3n ngon, d\u1ec5 nu\u00f4i, hi\u1ec7u qu\u1ea3 cao"},"content":{"rendered":"

\t\t\t\t* Gi\u1ed1ng cua \u0111\u1ed3ng: <\/strong>\n– Cua \u0111\u1ed3ng c\u00f3 t\u00ean khoa h\u1ecdc Somaniathelphusia sinensis, ph\u00e2n b\u1ed1 r\u1ed9ng \u1edf v\u00f9ng n\u01b0\u1edbc ng\u1ecdt, v\u00f9ng b\u00ecnh nguy\u00ean, trung du, mi\u1ec1n n\u00fai n\u01b0\u1edbc ta. Ch\u00fang sinh s\u1ea3n quanh n\u0103m n\u1ebfu m\u00f4i tr\u01b0\u1eddng thu\u1eadn l\u1ee3i, t\u1eadp k\u1ebft v\u00e0o m\u00f9a xu\u00e2n, m\u00f9a h\u00e8 v\u00e0 m\u00f9a thu. \u1ede L\u00e0o, Campuchia v\u00e0 Hoa Nam (Trung Qu\u1ed1c) c\u0169ng g\u1eb7p lo\u00e0i cua \u0111\u1ed3ng n\u00e0y.\n– Cua \u0111\u1ed3ng l\u00e0 lo\u1ea1i cua nh\u1ecf, nh\u01b0ng h\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng trong cua cao.\n– Cua \u0111\u1ed3ng l\u00e0 m\u1ed9t lo\u1ea1i th\u1ef1c ph\u1ea9m ch\u1ee9a nhi\u1ec1u gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng.Trong 100g cua \u0111\u1ed3ng b\u1ecf mai v\u00e0 y\u1ebfm c\u00f3: 74,4g n\u01b0\u1edbc, 12,3g protid, 3,3g lipid, 2gglucid, cung c\u1ea5p \u0111\u01b0\u1ee3c 89g calo. Trong \u0111\u00f3, \u0111\u1eb7c bi\u1ec7t l\u00e0 l\u01b0\u1ee3ng vitamin, mu\u1ed1i kho\u00e1ng, canxi trong cua \u0111\u1ed3ng r\u1ea5t cao: 5.040mg canxi , 430mg photpho , 4 , 7mg s\u1eaft , c\u00e1c lo\u1ea1i vitamin B1 , B2 , PP\u2026Ch\u1ea5t l\u01b0\u1ee3ng protid trong cua c\u0169ng thu\u1ed9c lo\u1ea1i t\u1ed1t , qua ph\u00e2n t\u00e1ch ng\u01b0\u1eddi ta th\u1ea5y c\u00f3 8 tr\u00ean 10 axit amin nhu y\u1ebfu , g\u1ed3m lysine , methionie , valine , leucin , isoleucien , phenylalanine , threonine v\u00e0 trytophane ch\u1ec9 thi\u1ebfu arginine v\u00e0 histidine.\n– Cua \u0111\u1ed3ng c\u0169ng l\u00e0 nguy\u00ean li\u1ec7u quen thu\u1ed9c trong b\u1eefa \u0103n c\u1ee7a ng\u01b0\u1eddi Vi\u1ec7t , ngo\u00e0i vi\u1ec7c c\u00f3 gi\u00e1 tr\u1ecb cao v\u1ec1 dinh d\u01b0\u1ee1ng , th\u1ecbt cua \u0111\u1ed3ng c\u00f3 t\u00ednh h\u00e0n n\u00ean l\u00e0 m\u00f3n \u0103n gi\u1ea3i nhi\u1ec7t r\u1ea5t t\u1ed1t trong nh\u1eefng ng\u00e0y tr\u1eddi tr\u1edf n\u1eafng. Th\u1eeba th\u00e3i m\u00f3n \u0103n ngon \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn t\u1eeb cua \u0111\u1ed3ng \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi ham chu\u1ed9ng , nh\u01b0 m\u00f3n canh cua rau \u0111ay , cua \u0111\u1ed3ng rang me , b\u00fan ri\u00eau cua , l\u1ea9u cua , cua s\u1eefa… Lu\u00f4n lu\u00f4n \u0111em l\u1ea1i c\u1ea3m gi\u00e1c V\u1eeba mi\u1ec7ng v\u00e0 ham cho ng\u01b0\u1eddi th\u01b0\u1edfng th\u1ee9c.\n\"\"\n\n\n

– Hi\u1ec7n t\u1ea1i c\u00e1c \u0111\u1ecba ph\u01b0\u01a1ng \u1edf ph\u00eda B\u1eafc nh\u01b0 H\u00e0 T\u0129nh , Nam \u0110\u1ecbnh , H\u1ea3i Ph\u00f2ng v\u00e0 c\u00e1c t\u1ec9nh ph\u00eda Nam nh\u01b0 B\u00ecnh Thu\u1eadn , \u0110\u1ed3ng Th\u00e1p\u2026 \u0111ang ph\u00e1t tri\u1ec3n nu\u00f4i cua \u0111\u1ed3ng r\u1ea5t m\u1ea1nh v\u1edbi c\u00f4ng hi\u1ec7u kinh t\u1ebf cao. Th\u1ecb tr\u01b0\u1eddng ti\u00eau th\u1ee5 s\u1ea3n ph\u1ea9m cua \u0111\u1ed3ng l\u1edbn , d\u00f9ng cho th\u1ecb tr\u01b0\u1eddng trong n\u01b0\u1edbc v\u00e0 b\u00e1n sang c\u00e1c n\u01b0\u1edbc ph\u1ee5 c\u1eadn , v\u1edbi gi\u00e1 b\u00e1n 35.000 \u2013 40.000\u0111\/kg. \u0110\u00e2y c\u0169ng l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng nu\u00f4i m\u1edbi g\u00f3p ph\u1ea7n ph\u00e1t tri\u1ec3n kinh t\u1ebf n\u00f4ng h\u1ed9 , gi\u1ea3i quy\u1ebft c\u00f4ng \u0103n vi\u1ec7c l\u00e0m t\u1ea1i c\u00e1c \u0111\u1ecba ph\u01b0\u01a1ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n thi\u00ean nhi\u00ean nhi\u1ec1u \u0111\u1ea7m , ru\u1ed9ng l\u00faa chi\u00eam tr\u0169ng.<\/strong><\/div>\n\n\n– Cua \u0111\u1ed3ng \u0111\u00e0o hang \u0111\u1ec3 s\u1ed1ng hay chui nh\u1ee7i v\u00e0o g\u1ed1c c\u00e2y , b\u1ee5i r\u1eadm \u1edf s\u00f4ng , r\u1ea1ch , \u0111\u1ed3ng \u0111\u1ea5t , … Cua c\u00f3 kh\u1ea3 n\u0103ng b\u00f2 l\u00ean c\u1ea1n v\u00e0 di chuy\u1ec3n r\u1ea5t xa.\n– Cua \u0111\u1ed3ng \u0103n t\u1ea1p nh\u01b0 c\u00e1m ng\u00f4 , l\u00faa , rong , gi\u00e1p x\u00e1c nh\u1ecf , \u1ed1c , c\u00e1 hay ngay c\u1ea3 thi th\u1ec3 \u0111\u1ed9ng v\u1eadt. Cua c\u00f3 t\u1eadp t\u00ednh tr\u00fa \u1ea9n v\u00e0o ban ng\u00e0y v\u00e0 ki\u1ebfm \u0103n v\u00e0o ban \u0111\u00eam. Nhu c\u1ea7u th\u1ee9c \u0103n c\u1ee7a ch\u00fang kh\u00e1 l\u1edbn nh\u01b0ng ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng nh\u1ecbn \u0111\u00f3i 10 -15 ng\u00e0y.\n– Tu\u1ed5i th\u1ecd l\u00e0ng nh\u00e0ng c\u1ee7a cua t\u1eeb 1 – 2 n\u0103m , qua m\u1ed7i l\u1ea7n b\u00f3c tr\u1ecdng l\u01b0\u1ee3ng cua t\u0103ng l\u00e0ng nh\u00e0ng 20-50%.\n– Cua \u0111\u1ef1c kh\u00e1c cua c\u00e1i \u1edf h\u00ecnh th\u00e1i c\u1ee7a ph\u1ea7n b\u1ee5ng ( th\u01b0\u1eddng g\u1ecdi l\u00e0 y\u1ebfm ). Tr\u1ee9ng cua n\u1eb1m \u1edf d\u01b0\u1edbi y\u1ebfm v\u00e0 n\u1edf th\u00e0nh cua con. Cua c\u00e1i c\u00f3 4 \u0111\u00f4i ch\u00e2n b\u1ee5ng , cua \u0111\u1ef1c c\u00f3 2 \u0111\u00f4i ch\u00e2n b\u1ee5ng H\u00ecnh th\u00e0nh ch\u00e2n giao c\u1ea5u.\n– Sau 3 th\u00e1ng nu\u00f4i cua \u0111\u1ea1t tr\u1ecdng l\u01b0\u1ee3ng su\u1ea5t b\u00e1n t\u1eeb 65- 70 con\/kg.\n* H\u01b0\u1edbng d\u1eabn nu\u00f4i cua \u0111\u1ed3ng: <\/strong>\n1. Ao nu\u00f4i:\nAo nu\u00f4i cua c\u1ea7n ch\u1ecdn l\u00e0 v\u00f9ng n\u01b0\u1edbc ng\u1ecdt c\u00f3 \u0111\u1ed9 pH t\u1eeb 5,6 \u2013 8 , nhi\u1ec7t \u0111\u1ed9 t\u1eeb 10 \u2013 31oC , \u0111\u01b0a l\u1ea1i hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t l\u00e0 15 \u2013 25oC , h\u00e0m l\u01b0\u1ee3ng oxy ho\u00e0 tr\u1ed9n th\u1ea5p nh\u1ea5t l\u00e0 2 mg\/l. Ao nu\u00f4i c\u00f3 ngu\u1ed3n n\u01b0\u1edbc s\u1ea1ch kh\u00f4ng c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u1ed9t \u0111i\u1ec1u g\u00ec \u0111\u00f3 c\u1ee7a ngu\u1ed3n n\u01b0\u1edbc m\u00f4i tr\u01b0\u1eddng \u00f4 nhi\u1ec5m , c\u00f3 n\u1ec1n \u0111\u00e1y b\u00f9n s\u00e9t , b\u00f9n c\u00e1t.\nDi\u1ec7n t\u00edch ao nu\u00f4i c\u0103n c\u1ee9 v\u00e0o ho\u00e0n c\u1ea3nh th\u1ef1c ti\u1ec5n s\u1eb5n c\u00f3 , v\u1ed1n \u0111\u1ea7u t\u01b0 , h\u1ec7 th\u1ed1ng giao th\u00f4ng thu\u1ef7 l\u1ee3i to\u00e0n v\u00f9ng , th\u01b0\u1eddng nh\u1eadt ao nu\u00f4i cua \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1eeb 3.000 \u2013 5.000m2. \u0111\u00e1y ao ph\u1eb3ng l\u1eb7ng , c\u00f3 \u0111\u1ed9 nghi\u00eang v\u1ec1 \u0111\u00e1y c\u1ed1ng \u0111\u1ec3 d\u1ec5 d\u00e0ng tho\u00e1t n\u01b0\u1edbc khi thu ho\u1ea1ch.\nN\u1ebfu nu\u00f4i \u1edf ru\u1ed9ng th\u00ec \u0111\u00e1y ru\u1ed9ng n\u00ean c\u00f3 h\u1ec7 th\u1ed1ng giao th\u00f4ng k\u00eanh theo ki\u1ebfu x\u01b0\u01a1ng c\u00e1 m\u00fa song v\u1edbi b\u1edd ao v\u00e0 h\u01b0\u1edbng ra c\u1ed1ng , m\u1ee9c s\u00e2u so v\u1edbi m\u1eb7t \u0111\u00e1y ru\u1ed9ng kho\u1ea3ng 40cm.\nAo nu\u00f4i cua c\u1ea7n c\u00f3 h\u1ec7 th\u1ed1ng giao th\u00f4ng c\u1ed1ng c\u1ea5p tho\u00e1t n\u01b0\u1edbc \u0111\u1ec3 ch\u1ee7 \u0111\u1ed9ng \u0111\u01b0\u1ee3c ngu\u1ed3n n\u01b0\u1edbc. H\u1ec7 th\u1ed1ng giao th\u00f4ng b\u1edd c\u1ea7n \u0111\u1ea7m n\u00e9n ki\u00ean c\u1ed1, chung quanh c\u00f3 l\u01b0\u1edbi r\u00e0o ch\u1eafn.\nTr\u1ed3ng c\u00e1c lo\u1ea1i c\u1ecf n\u01b0\u1edbc ph\u1ee7 k\u00edn \u0111\u00e1y m\u01b0\u01a1ng v\u00e0 th\u1ea3 c\u00e1c lo\u1ea1i c\u00e2y n\u1ed5i nh\u01b0 b\u00e8o c\u00e1m , rau d\u1eeba n\u01b0\u1edbc , b\u00e8o c\u00e1i\u2026t\u1ea1o gi\u00e1 th\u1ec3 v\u00e0 n\u01a1i tr\u00fa \u1ea9n cho cua.\n2. Th\u1ea3 gi\u1ed1ng\nM\u1eadt \u0111\u1ed9 th\u1ea3 nu\u00f4i: 25kg\/s\u00e0o ( 1.000m2 ).\nth\u1eddi h\u1ea1n ch\u1ecdn gi\u1ed1ng: cua gi\u1ed1ng c\u00f3 k\u00edch c\u1ee1 1 , 2 \u2013 1 , 4cm , kho\u1ea3ng 350 \u2013 400con\/kg , cua gi\u1ed1ng \u0111\u1ed3ng \u0111\u1ec1u , kho\u1ebb m\u1ea1nh v\u00e0 kh\u00f4ng b\u1ecb d\u1ecb h\u00ecnh.\nKhi th\u1ea3 gi\u1ed1ng c\u1ea7n ch\u00fa \u00fd kh\u00f4ng n\u00ean th\u1ea3 tr\u1ef1c ti\u1ebfp xu\u1ed1ng ao m\u00e0 th\u1ea3 \u1edf m\u00e9 ao \u0111\u1ec3 cua gi\u1ed1ng t\u1ef1 b\u00f2 xu\u1ed1ng n\u01b0\u1edbc. \u0110\u1ed1i v\u1edbi ao nu\u00f4i c\u00f3 tr\u1ed3ng l\u00faa n\u00ean th\u1ea3 gi\u1ed1ng v\u00e0o c\u00e1c m\u01b0\u01a1ng n\u01b0\u1edbc.\nM\u00f9a v\u1ee5 th\u1ea3 nu\u00f4i: T\u1eeb th\u00e1ng 2 \u2013 4 h\u00e0ng n\u0103m , th\u1ea3 gi\u1ed1ng v\u00e0o s\u00e1ng s\u1edbm ho\u1eb7c chi\u1ec1u m\u00e1t.\n\u2022 Th\u1ee9c \u0103n v\u00e0 c\u00e1ch cho \u0103n\nTh\u1ee9c \u0103n: Cua l\u00e0 lo\u00e0i \u0103n t\u1ea1p nh\u01b0 \u0103n m\u00f9n b\u00e3 h\u1eefu c\u01a1 , c\u00e1m rang , b\u00e3 \u0111\u1eadu , kh\u00f4 l\u1ea1c. Ch\u00fang c\u0169ng th\u00edch \u0103n th\u1ecbt c\u00e1c lo\u1ea1i nhuy\u1ec5n th\u1ec3 nh\u01b0 trai , \u1ed1c , h\u1ebfn , c\u00e1 t\u1ea1p , gi\u00e1p x\u00e1c nh\u1ecf. V\u00ed nh\u01b0 thi\u1ebfu th\u1ee9c \u0103n ch\u00fang s\u1ebd \u0103n th\u1ecbt l\u1eabn nhau , nh\u1ea5t l\u00e0 cua m\u1edbi l\u1ed9t v\u1ecf. V\u00ed nh\u01b0 c\u00f3 ho\u00e0n c\u1ea3nh n\u00ean t\u1eadn d\u1ee5ng c\u00e1c ph\u1ebf ph\u1ea9m n\u00f4ng nghi\u1ec7p v\u00e0 ph\u1ebf th\u1ea3i \u0111\u1ed9ng v\u1eadt \u0111\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh.\nTrong ho\u00e0n c\u1ea3nh ao nu\u00f4i , l\u00fac m\u1edbi th\u1ea3 th\u1ee9c \u0103n ch\u1ee7 y\u1ebfu l\u00e0 b\u1ed9t ng\u00f4 n\u1ea5u ch\u00edn , kh\u1ea9u ph\u1ea7n 5% , 2 ng\u00e0y cho cua \u0103n m\u1ed9t l\u1ea7n.\nSau khi nu\u00f4i \u0111\u01b0\u1ee3c 2 \u2013 4 th\u00e1ng th\u1ee9c \u0103n l\u00e0 c\u00e1m c\u00f4ng nghi\u1ec7p , \u1ed1c b\u01b0\u01a1u v\u00e0ng , c\u00e1m ng\u00f4 n\u1ea5u ch\u00edn v\u1edbi kh\u1ea9u ph\u1ea7n 7%.\nSau th\u1eddi k\u00ec nu\u00f4i 4 \u2013 6 th\u00e1ng , th\u1ee9c \u0103n gi\u1ed1ng nh\u01b0 \u1edf giai \u0111o\u1ea1n 2 \u2013 4 th\u00e1ng v\u1edbi kh\u1ea9u ph\u1ea7n 10%.\nL\u01b0u \u00fd: Cho \u0103n v\u00e0o m\u1ed9t th\u1eddi kh\u1eafc nh\u1ea5t m\u1ef1c trong ng\u00e0y , kho\u1ea3ng 4 \u2013 5 gi\u1edd chi\u1ec1u v\u00e0 cho \u0103n v\u00e0o m\u1ed9t v\u1ecb tr\u00ed nh\u1ea5t m\u1ef1c \u0111\u1ec3 t\u1eadp th\u00f3i quen cho cua t\u1eadp trung \u0111\u1ec3 thu\u1eadn ti\u1ec7n khi thu ho\u1ea1ch.\n3. Qu\u1ea3n l\u00fd ao nu\u00f4i\nth\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ao nu\u00f4i cua \u0111\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u1ecbch h\u1ea1i g\u00e2y b\u1ec7nh , l\u1ed7 r\u00f2 r\u1ec9. \u0110\u1ecbnh k\u1ef3 15 ng\u00e0y\/l\u1ea7n ki\u1ec3m tra \u0111\u1ed9 nhi\u1ec5m b\u1ea9n , pH c\u1ee7a ao nu\u00f4i. C\u00f3 x\u00e1c xu\u1ea5t d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc \u0111\u1ec3 ch\u1ed1ng m\u00f4i tr\u01b0\u1eddng \u00f4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc nh\u01b0 th\u1ea3 nu\u00f4i th\u00eam c\u00e1 r\u00f4 \u0111\u1ed3ng , c\u00e1 r\u00f4 phi \u0111\u01a1n t\u00ednh c\u1ee1 3 \u2013 4 cm v\u1edbi m\u1eadt \u0111\u1ed9 1con\/m2 nh\u1eb1m t\u1eadn d\u1ee5ng th\u1ee9c \u0103n th\u1eeba c\u1ee7a cua.\nki\u1ec3m tra l\u01b0\u1edbi ch\u1eafn cua h\u00e0ng ng\u00e0y , kh\u00f4ng \u0111\u1ec3 cua v\u01b0\u1ee3t r\u00e0o ch\u1eafn. M\u00f9a h\u00e8 c\u00f3 x\u00e1c xu\u1ea5t tr\u1ed3ng c\u1ea5y b\u1ea7u b\u00ed l\u00e0m gi\u00e0n m\u00e1t cho ao nu\u00f4i.\n\u0110\u1ecbnh k\u1ef3 b\u00f3n ph\u00e2n h\u1eefu c\u01a1: 25 \u2013 30kg\/s\u00e0o \u0111\u1ec3 t\u1ea1o ho\u00e0n c\u1ea3nh cho t\u1ea3o v\u00e0 \u0111\u1ed9ng v\u1eadt ph\u00f9 du ph\u00e1t tri\u1ec3n l\u00e0m th\u1ee9c \u0103n cho cua con.\nH\u00e0ng th\u00e1ng s\u1eed d\u1ee5ng ch\u1ebf ph\u1ea9m vi sinh EMC v\u1edbi li\u1ec1u l\u01b0\u1ee3ng 1l\u00edt\/1.000m2 , 2l\u1ea7n\/th\u00e1ng \u0111\u1ec3 y\u00ean \u1ed5n ngu\u1ed3n n\u01b0\u1edbc.\n\u0110\u1ecbnh k\u1ef3 b\u00f3n v\u00f4i \u0111\u1ec3 b\u1ed5 sung l\u01b0\u1ee3ng v\u00f4i trong n\u01b0\u1edbc , th\u01b0\u1eddng t\u1eeb 15-20 ng\u00e0y\/l\u1ea7n , l\u01b0\u1ee3ng v\u00f4i s\u1ed1ng 15 – 20kg\/1000m2.\n\u0110\u1ed9 s\u00e2u ao nu\u00f4i lu\u00f4n \u0111\u1ea3m b\u1ea3o 50 \u2013 70cm , n\u1ebfu m\u1ef1c n\u01b0\u1edbc th\u1ea5p h\u01a1n th\u00ec c\u1ea5p th\u00eam.\n\u0110\u1ed1i v\u1edbi ru\u1ed9ng c\u00f3 nu\u00f4i cua kh\u00f4ng c\u00f3 m\u1ed9t s\u1ef1 h\u1ea1n ch\u1ebf hay m\u1ed9t tr\u01b0\u1eddng h\u1ee3p ngo\u1ea1i l\u1ec7 n\u00e0o c\u1ea3 kh\u00f4ng s\u1eed d\u1ee5ng thu\u1ed1c tr\u00f4ng coi th\u1ef1c v\u1eadt.\nM\u1ed9t s\u1ed1 b\u1ec7nh th\u01b0\u1eddng g\u1eb7p \u1edf cua nu\u00f4i nh\u01b0 b\u1ec7nh n\u1ea5m tr\u00ean mai , b\u1ec7nh do vi khu\u1ea9n , virut v\u00e0 b\u1ec7nh do k\u00fd sinh tr\u00f9ng.\n4. Thu ho\u1ea1ch\n– Sau 3 th\u00e1ng nu\u00f4i cua \u0111\u1ea1t k\u00edch c\u1ee1 3 \u2013 5cm , \u1ee9ng v\u1edbi 65 \u2013 75 con\/kg , ti\u1ebfn h\u00e0nh thu ho\u1ea1ch.\nM\u1ed9t s\u1ed1 b\u1ec7nh th\u01b0\u1eddng g\u1eb7p \u1edf cua \u0111\u1ed3ng:\n1. B\u1ec7nh r\u0169 c\u00f2ng:\na. Tri\u1ec7u ch\u1ee9ng:\n– L\u00e0m cho cua d\u1eebng \u0103n v\u00e0 tr\u1edf l\u00ean b\u1ea5t \u0111\u1ed9ng.\n– Cua nhanh g\u1ea7y , gi\u1ea3m n\u0103ng su\u1ea5t , ch\u1ea5t l\u01b0\u1ee3ng th\u1ecbt cua k\u00e9m.\nb. \u0110i\u1ec1u tr\u1ecb:\n– Ch\u01b0a c\u00f3 thu\u1ed1c ch\u1eefa tr\u1ecb b\u1ec7nh. Nh\u01b0ng b\u1ec7nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00f2ng b\u1eb1ng c\u00e1ch tr\u01b0\u1edbc khi th\u1ea3 cua gi\u1ed1ng th\u00ec n\u00ean s\u00e1t tr\u00f9ng b\u1eb1ng dung d\u1ecbch suphat \u0111\u1ed3ng trong 20 \u2013 30 ph\u00fat \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c m\u1ea7m b\u1ec7nh.\n– N\u00ean cho cua \u0103n c\u00e1c lo\u1ea1i th\u1ee9c \u0103n s\u1ea1ch , kh\u00f4ng c\u00f3 l\u1eabn c\u00e1c t\u1ea1p ch\u1ea5t c\u00f3 x\u00e1c xu\u1ea5t g\u00e2y b\u1ec7nh.\n2. B\u1ec7nh n\u1ed5i h\u1ea1t \u0111\u1ed1m tr\u1eafng – \u0111en\na. Tri\u1ec7u ch\u1ee9ng:\n– Cua b\u1ecb b\u1ec7nh b\u1ecf \u0103n , y\u1ebfu , kh\u00f4ng l\u1ed9t x\u00e1c \u0111\u01b0\u1ee3c , r\u00eau v\u00e0 t\u1ea3o b\u00e1m tr\u00ean mai , y\u1ebfu d\u1ea7n r\u1ed3i ch\u1ebft. Tr\u00ean th\u00e2n c\u00f3 nh\u1eefng \u0111\u1ed1m tr\u1eafng th\u1ec9nh tho\u1ea3ng c\u00f3 c\u1ea3 nh\u1eefng \u0111\u1ed1m \u0111en.\nb. Ph\u00f2ng v\u00e0 tr\u1ecb b\u1ec7nh:\n– T\u1eafm cho cua b\u1eb1ng Sulfat \u0111\u1ed3ng n\u1ed3ng \u0111\u1ed9 0,5g\/m3 c\u00f3 s\u1ee5c kh\u00ed , th\u1eddi k\u00ec ch\u1eefa tr\u1ecb k\u00e9o d\u00e0i 8 – 10 ng\u00e0y.\n– R\u1ea3i v\u00f4i b\u1ed9t th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 di\u1ec7t khu\u1ea9n v\u00e0 ti\u1ec7t tr\u00f9ng.\n3. B\u1ec7nh \u0111en mang\na. Tri\u1ec7u ch\u1ee9ng:\n– Mang cua hi\u1ec7n ra nh\u1eefng \u0111\u1ed1m \u0111en , c\u00e1c t\u01a1 v\u00e0 \u00e1o mang chuy\u1ec3n m\u00e0u \u0111en m\u1ed9t th\u1eddi k\u00ec mang c\u00f3 m\u00f9i r\u1ea5t tanh , th\u1ed1i t\u1eebng ph\u1ea7n cho t\u1edbi to\u00e0n b\u1ed9 mang cua. Th\u00e2n cua b\u1ecb b\u1ec7nh ph\u1ea7n v\u1ecf ngo\u00e0i c\u00f3 c\u00e1c \u0111\u1ed1m \u0111en , sau th\u1eddi gian \u1ea5y g\u00e2y m\u00f9 m\u1eaft.\nB\u1ec7nh hi\u1ec7n ra c\u1ea3 \u1edf giai \u0111o\u1ea1n cua con v\u00e0 cua tr\u01b0\u1edfng th\u00e0nh. Sau khi m\u1eafc b\u1ec7nh cua b\u1ecf \u0103n , g\u1ea7y y\u1ebfu , h\u00f4 h\u1ea5p k\u00e9m n\u1eb1m im kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.\nb. Ph\u00f2ng v\u00e0 \u0111i\u1ec1u tr\u1ecb:\n– T\u1eafm cho cua b\u1eb1ng Formol v\u1edbi n\u1ed3ng \u0111\u1ed9 16 – 30ml\/m3 n\u01b0\u1edbc trong 15 – 20 ph\u00fat , c\u00f3 s\u1ee5c kh\u00ed , th\u1eddi k\u00ec ch\u1eefa tr\u1ecb 6 – 8 ng\u00e0y.\n– T\u1eafm cho cua b\u1eb1ng dung d\u1ecbch Sulfat \u0111\u1ed3ng v\u1edbi n\u1ed3ng \u0111\u1ed9 0.6g\/m3 , m\u1ed7i l\u1ea7n t\u1eafm trong 6 – 8 ph\u00fat c\u00f3 s\u1ee5c kh\u00ed. Th\u1eddi k\u00ec ch\u1eefa tr\u1ecb 6 – 8 ng\u00e0y.\n– D\u00f9ng v\u00f4i b\u1ed9t \u0111\u1ec3 di\u1ec7t c\u00e1c k\u00fd sing tr\u00f9ng , vi khu\u1ea9n.\n– Khi c\u00f3 d\u1ea5u hi\u1ec7u b\u1ec7nh ho\u1eb7c th\u1eddi ti\u1ebft x\u1ea5u , m\u00e0 k\u00e9o d\u00e0i d\u00f9ng kh\u00e1ng sinh Norfloxacin , Nalidixicacid tr\u1ed9n v\u00e0o th\u1ee9c \u0103n v\u1edbi l\u01b0\u1ee3ng 40 -60g\/1kg th\u1ee9c \u0103n \u0111\u1ec3 ph\u00f2ng b\u1ec7nh. Th\u1eddi k\u00ec ph\u00f2ng b\u1ec7nh 6 – 8 ng\u00e0y.\n4. B\u1ec7nh \u0111\u1ed1m tr\u1eafng – v\u00e0ng tr\u00ean v\u1ecf:\na. Tri\u1ec7u ch\u1ee9ng:\n– Cua g\u1ea7y y\u1ebfu , ch\u1eadm l\u1ed9t x\u00e1c ho\u1eb7c l\u1ed9t x\u00e1c k\u00e9o d\u00e0i , cua b\u1ecf \u0103n r\u1ed3i ch\u1ebft. Tr\u00ean mai v\u00e0 y\u1ebfm hi\u1ec7n ra \u0111\u1ed1m tr\u1eafng -v\u00e0ng.\nb. Ph\u00f2ng v\u00e0 \u0111i\u1ec1u tr\u1ecb:\n– S\u1eed d\u1ee5ng th\u1ee9c \u0103n t\u01b0\u01a1i s\u1ea1ch , cho \u0103n v\u1eeba \u0111\u1ee7 , th\u1ee9c \u0103n th\u1eeba ph\u1ea3i d\u1ecdn s\u1ea1ch.\n– Tr\u1ed9n th\u00eam kh\u00e1ng sinh nh\u01b0 Norfloxacin , Nalidixic acid , … v\u00e0 c\u00e1c vitamin A , C b\u1ed5 sung v\u00e0o th\u1ee9c \u0103n \u0111\u1ec3 t\u0103ng s\u1ee9c \u0111\u1ec3 kh\u00e1ng cho cua.\nNguy\u1ec5n Ch\u01b0\u01a1ng- Ngu\u1ed3n BNNVN]]>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"

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